<template>
  <div class="login">
    <div class="imgLogin">
      <div class="loginLeft"></div>
            <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <p class="title">一体化综合运维后台管理平台</p>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          prefix-icon="el-icon-user"
          type="text"
          auto-complete="off"
          placeholder="账号"
        >
        <!-- <i class="el-icon-delete"></i> -->
          <!-- <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" /> -->
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaOnOff">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 58%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" style="color:#fff"/>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 15px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button class="btnFoot"
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%; height:46px; font-size:16px"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    </div>

    <!--  底部  -->
    <!-- <div class="el-login-footer">
      <span>Copyright © 2018-2021 西安航天基地管委会 版权所有.</span>
    </div> -->
  </div>
</template>

<script>
import {getCodeImg, login} from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaOnOff: true,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaOnOff = res.captchaOnOff === undefined ? true : res.captchaOnOff;
        if (this.captchaOnOff) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(async valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, {expires: 30});
            Cookies.set("password", encrypt(this.loginForm.password), {expires: 30});
            Cookies.set('rememberMe', this.loginForm.rememberMe, {expires: 30});
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({path: this.redirect || "/"}).catch(() => {
            });
          }).catch(() => {
            this.loading = false;
            if (this.captchaOnOff) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}
.imgLogin{
  display: flex;
  justify-content: center;
  align-items: center;
}
.loginLeft{
  height: 430px;
  width: 432px;
  background-image: url('../assets/images/loginLeft.png');
  background-size: 100% 100%;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #122048;
  font-size: 24px;
  font-weight: 550;
  font-family: "Alibaba-PuHuiTi-Regular";
}

.login-form {
  // border-radius: 6px;
  border-top-right-radius: 6px;
  border-bottom-right-radius: 6px;
  background: #cddae1;
  width: 432px;
  height: 430px;
  padding: 55px 60px 5px 60px;
  .el-input {
    height: 44px;
    input {
      height: 44px;
    }
  }
  .input-icon{
    margin-left: 7px;
    height: 44px;
    width:21px;
  }
  .el-input--prefix .el-input__inner{
    padding-left: 40px;
  }
  .el-icon-user:before{
    font-size: 20px;
    left: 6px;
    position: absolute;
    top:5px
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 38%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
  
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 44px;
}
.btnFoot{
  background-image: linear-gradient(to right, #11bad4, #17a0c4,#1e7cae);
  border: 0;
}
.btnFoot:hover{
  background-image: linear-gradient(to right, #11bad4, #17a0c4,#1e7cae);

}
.login >>> .el-form-item{
  margin-bottom: 18px;
}

.login >>> .el-input--prefix .el-input__inner{
  margin-left: 42px;
}
</style>
